chimney cake Share definition Flag The act of one person defecating a so called "cake" into another person's asshole (chimney). "After watching some German TV, I decided to give my wife a chimney cake." or "My wife gave me a chimney cake for my birthday!" chimney cake by Z_zoran_Z October 2, 2019 0 0 Get merch Get the chimney cake mug. Buy Now — $32.95 See more merch